Mesembryanthemum.| MESEMBRYACEZ (Sond.) 433 
186. M. fastigiatum (Haw. Rev. 173. Syn. 256); stem and branches 
straight, fastigiate ; leaves crowded, semiterete, obtuse, glaucous-green, 
when young spreading, when old very patent ; calyx lobes subequal, 
abbreviate, bluntish ; flowers whitish. Salm Dyck, l. c. t. 19. 
Has. Cape of Good Hope. 
Stem 2 feet, branches minutely papillose. Leaves 5-8 lines long, scarcely 1 line 
wide, attenuate at the base. Peduncle short. Petals acute, linear. - Styles 4-5. 
187. M. acuminatum (Haw. Phil. Mag. 1824. p. 426) ; stem erect ; 
branches fleawous-patent ; leaves crowded, semiterete, attenuate, mucronu- 
late, green, when young erect-incurved, when old spreading-recurved ; 
calyx lobes wnegual, abbreviate, acute ; flowers pale straw-coloured. 
Salm Dyck, l. c. t. 20.) 
Has. Cape of Good Hope. 
Leaves 6-10 lines long, 1 line wide. Peduncles 1 inch long, minutely papillate, 
without bracts. Calyx 5-cleft, two of the lobes longer, leafy. Petals about 4 inch © 
long, linear-lanceolate. « Styles §, subulate. It comes very near M. sulcatum. 
188. M. albicaule (Haw. Phil. Mag. 1826. p. 331) ; stem erect ; 
branches flexuous, divergent ; leaves remote, semiterete, dcute, glaucous- 
green, when young erect-recurved, when old very patent and recurved ; 
calyx lobes subequal, much elongated, acute ; flowers pale yellow. 
Has. Cape of Good Hope. : 
Leaves 6—10 lines long, t line wide. Peduncle short, thick. Petals as in M. 
splendens, of which it only seems a variety. 
189, M. umbelliflorum (Jacq. Willd. Enum. 534); stem and branches 
erect, flexile ; leaves crowded, curvate-spreading, depressed-terete, obéuse, 
subglaucous, in the floriferous branches linear-elongate, in sterile branches 
shorter, subclavate ; calyx lobes subequal, acutish ; flowers subpanicu- 
late, violet-white. Salm Dyck, fase. 3.t. 31. 
Has. Cape of Good Hope. 
Very near M. fastigiatum, and only distinguished by the laxer stem and branches, 
less crowded leaves, and the inflorescence. Leaves 3-1 inch long, often proliferous 
from the axils. Flowers rarely solitary. Calyx turbinate-clavate, papillate. Petals 
acute, about 6-8 lines long. 
190. M. flexuosum (Haw. Rev. 172. Syn. 2 57); stem and branches 
erect-spreading, flexuous ; leaves crowded, curvate-patent, depressed- 
terete, mucronulate, green, shining, in the flowering branches elongated, 
in the sterile branches short, sublanceolate ; calyx lobes subulate, elon- 
gate, subequal ; flowers white, a little straw-coloured. Salm Dyck, l. c. 
&. 32% 
Has. Cape of Good Hope. a <P 
By the slender, flexuous stem and branches, very green, shining leaves, it differs 
from the preceding. Leaves 6-12 lines long, 1 line wide. Peduncle 4~1 inch long, 
thickened above, 1-flowered. Calyx clavate, smooth, spreading. Petals 8—10 lines 
long, acute, nearly white. Styles 5 short. 
191. M. longistylum (DC. Pl. Grass. t. 156) ; branches elongated ; 
leaves distinct, when young linear-filiform, but at length becoming a 
little keeled, acute, and minutely papulose ; peduncles 1-flowered ; calyx 
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